[INFO] cloning repository https://github.com/johnterickson/prusti-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnterickson/prusti-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Fprusti-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Fprusti-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6b559a8b718834f1d4e66f59d5355dfdbbbfdc2
[INFO] testing johnterickson/prusti-play against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnterickson%2Fprusti-play" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/johnterickson/prusti-play on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/johnterickson/prusti-play
[INFO] finished tweaking git repo https://github.com/johnterickson/prusti-play
[INFO] tweaked toml for git repo https://github.com/johnterickson/prusti-play written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/johnterickson/prusti-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/viperproject/prusti-dev.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b72a111099caa55a9884976ff8ec7efd6750b297b8b9ea1f4ba6297e56cd8ca
[INFO] running `Command { std: "docker" "start" "-a" "3b72a111099caa55a9884976ff8ec7efd6750b297b8b9ea1f4ba6297e56cd8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b72a111099caa55a9884976ff8ec7efd6750b297b8b9ea1f4ba6297e56cd8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b72a111099caa55a9884976ff8ec7efd6750b297b8b9ea1f4ba6297e56cd8ca", kill_on_drop: false }`
[INFO] [stdout] 3b72a111099caa55a9884976ff8ec7efd6750b297b8b9ea1f4ba6297e56cd8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8cf2c687979353f7ccd0d93ac12de676efff67496ad89b02c366726e1124c36
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8cf2c687979353f7ccd0d93ac12de676efff67496ad89b02c366726e1124c36", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling prusti-specs v0.1.0 (https://github.com/viperproject/prusti-dev.git#9b2038fc)
[INFO] [stderr]    Compiling prusti-contracts-impl v0.1.0 (https://github.com/viperproject/prusti-dev.git#9b2038fc)
[INFO] [stderr]    Compiling prusti-contracts v0.1.0 (https://github.com/viperproject/prusti-dev.git#9b2038fc)
[INFO] [stderr]    Compiling prusti-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found `>`
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     forall(|b: bool| true ==> true)
[INFO] [stdout]    |                             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `forall` in this scope
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     forall(|b: bool| a == b)
[INFO] [stdout]    |     ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prusti-play` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "b8cf2c687979353f7ccd0d93ac12de676efff67496ad89b02c366726e1124c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cf2c687979353f7ccd0d93ac12de676efff67496ad89b02c366726e1124c36", kill_on_drop: false }`
[INFO] [stdout] b8cf2c687979353f7ccd0d93ac12de676efff67496ad89b02c366726e1124c36